package acm.蓝桥18;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;

public class Reader2 {
    StreamTokenizer tokenizer=new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
    public int nextInt(){
        try {
            tokenizer.nextToken();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
        return (int) tokenizer.nval;
    }
}
